Editor's TipEditor's Tip

For best (ie: biggest) results, follow with Number 4 Volumizing Condition, which adds both body and shine.

Number 4 Hair Care

  • 3.9 out of 5 stars, based on 5,503 Reviews 5,503 Reviews Write a Review
  • $34.00
  • 8.5 oz   
  • Availability: In stock

    $34.00

Birchbox Breakdown

This sulfate-free shampoo proves that style and substance aren't mutually exclusive. The sleek packaging and fresh scent are a nod to Parisian flair, while the scientific formula is designed to turn fine, flat strands into rich, full-bodied hair. The brand's four signature Liquid Complexes—blends of natural extracts—work to protect, strengthen, and purify strands without weighing them down.

How to Use

Dispense into hands and rub together to form a lather before massaging into wet hair. Lather and rinse, then follow with Volumizing Condition.

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Product Reviews & Sample Feedback

5,503 Reviews
3.9 out of 5 stars
5 Star
1774
4 Star
1974
3 Star
1183
2 Star
307
1 Star
268
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Most Helpful Customer Reviews

Just what I needed in a pinch!
Sampled

Love the idea of a sulfate-free shampoo, but the sample was just that: a sample. It came in handy when I needed it on my quick roadtrip, and I was okay with the smell, but I have quite a bit of hair so I didn't feel that it got all of my hair. Maybe it doesn't need to? Might consider buying in the future.

3
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Hair feels great, product smells weird
Sampled

When I use this product, I enjoy maybe 80% of its scent, and then there is this weird lingering something that is really off-putting for me. I used the sample and I like it functionally, but I can't get past whatever ingredient is responsible for a lingering funky smell.

2
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Excellent Shampoo
SampledPurchased

I have fine, oily hair and I'm always on the lookout for a deep cleaning shampoo that doesn't leave my hair flat. This shampoo is the best I've found so far! My hair is no longer oily and it does give volume, even to my limp strands. I'll definitely be purchasing again!

5
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good shampoo
Sampled

Nice shampoo but not the greatest and probably wont spend the money ordering this item. Waiting for another one to sample.

2
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Quite good
Sampled

Not spectacular, but decent. Useful size for travel -- helps to save trouble and money when preparing for an upcoming trip!

3
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Amazing
Sampled

I have thin, oily curly hair and my hair is always flat with no volume. After washing my hair with this conditioner my hair got a boost of energy! I will totally be repurchasing this in the near future!

4
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Here's what I want the points for!

This is one of the only volumizing shampoos I've ever used that actually gave me more volume

5
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Nothing Special
Sampled

The formula of this was ok, nothing that blew me over. I have fine hair and am always on the lookout for the magic bullet in hair care. This was ok.

3
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Smells great.

This shampoo smells delicious and makes my hair feel soft. But as for volume, it doesn't really work. It doesn't leave my hair staticky like most volumezing shampoos

4
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Great for fine hair
Sampled

This is great for fine hair. My daughter has fine stright hair and this did wonders for her. Left it soft with much more volume.

5
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